Home / 13,173,908-18,179,993.04-7,144,596

Finding the Fourth Proportional to 13,173,908, 18,179,993.04 and 7,144,596

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Solution

The fourth proportional to 13,173,908, 18,179,993.04 and 7,144,596 is: 9,859,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,908 : 18,179,993.04 = 7,144,596 : x
  2. Step 2: Convert to fraction form
    13,173,908/18,179,993.04 = 7,144,596/x
  3. Step 3: Cross multiply
    13,173,908x = 18,179,993.04 × 7,144,596
  4. Step 4: Simplify right side
    13,173,908x = 129,888,705,553,611.83
  5. Step 5: Solve for x
    x = 129,888,705,553,611.83/13,173,908
  6. Step 6: Final answer
    x = 9,859,542.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.